{"id":"CVE-2026-79298","aliases":["EUVD-2026-81014","GHSA-jq86-c7gv-8phh"],"status":"published","title":"An issue in Howyar Technologies Inc SysReturn Versions prior to 11.3.034 and fixed in v.11.3.0.34...","description":"An issue in Howyar Technologies Inc SysReturn Versions prior to 11.3.034 and fixed in v.11.3.0.34 allows a local attcker to execute arbitrary code via the BOOTia32.efi and a crafted cloak32.dat file on the ESP.","severity":{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.00192,"percentile":0.09011,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-693"],"published":"2026-09-16T00:00:00Z","modified":"2026-09-22T20:00:03Z","exploits":[{"source":"pocgithub","id":"TheMalwareGuardian/CVE-2026-79298","title":"TheMalwareGuardian/CVE-2026-79298","date":"2026-09-11","url":"https://github.com/TheMalwareGuardian/CVE-2026-79298"},{"source":"pocgithub","id":"TheMalwareGuardian/UEFI-Security-Research-Howyar-SysReturn-NetCopy","title":"TheMalwareGuardian/UEFI-Security-Research-Howyar-SysReturn-NetCopy","date":"2026-06-15","url":"https://github.com/TheMalwareGuardian/UEFI-Security-Research-Howyar-SysReturn-NetCopy"}],"references":[{"url":"https://github.com/TheMalwareGuardian/UEFI-Security-Research-Howyar-SysReturn-NetCopy","tags":["exploit"]},{"url":"https://github.com/TheMalwareGuardian/CVE-2026-79298"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-79298"},{"url":"https://github.com/advisories/GHSA-jq86-c7gv-8phh"}],"sources":{"cve":[{"id":"CVE-2026-79298","description":"An issue in Howyar Technologies Inc SysReturn Versions prior to 11.3.034 and fixed in v.11.3.0.34 allows a local attcker to execute arbitrary code via the BOOTia32.efi and a crafted cloak32.dat file on the ESP.","status":"published","published":"2026-09-16T00:00:00Z","modified":"2026-09-17T15:11:22.892Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-693"],"updated_at":"2026-11-02T13:50:27.582139Z"}],"euvd":[{"id":"EUVD-2026-81014","description":"An issue in Howyar Technologies Inc SysReturn Versions prior to 11.3.034 and fixed in v.11.3.0.34 allows a local attcker to execute arbitrary code via the BOOTia32.efi and a crafted cloak32.dat file on the ESP.","status":"published","published":"2026-09-16T00:00:00Z","modified":"2026-09-17T15:11:22Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T17:28:11.615612Z"}],"ghsa":[{"id":"GHSA-jq86-c7gv-8phh","title":"An issue in Howyar Technologies Inc SysReturn Versions prior to 11.3.034 and fixed in v.11.3.0.34...","description":"An issue in Howyar Technologies Inc SysReturn Versions prior to 11.3.034 and fixed in v.11.3.0.34 allows a local attcker to execute arbitrary code via the BOOTia32.efi and a crafted cloak32.dat file on the ESP.","status":"published","published":"2026-09-16T21:32:43Z","modified":"2026-09-17T18:33:41Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-693"],"updated_at":"2026-11-02T15:12:08.193829Z"}],"nvd":[{"id":"CVE-2026-79298","description":"An issue in Howyar Technologies Inc SysReturn Versions prior to 11.3.034 and fixed in v.11.3.0.34 allows a local attcker to execute arbitrary code via the BOOTia32.efi and a crafted cloak32.dat file on the ESP.","status":"published","published":"2026-09-16T19:17:41.113Z","modified":"2026-09-22T20:00:03.713Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-693"],"updated_at":"2026-11-02T14:12:48.630594Z"}]}}